1
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Moreira FRR, de Menezes MT, Salgado-Benvindo C, Whittaker C, Cox V, Chandradeva N, de Paula HHS, Martins AF, Chagas RRD, Brasil RDV, Cândido DDS, Herlinger AL, Ribeiro MDO, Arruda MB, Alvarez P, Tôrres MCDP, Dorigatti I, Brady O, Voloch CM, Tanuri A, Iani F, de Souza WM, Cardozo SV, Faria NR, Aguiar RS. Epidemiological and genomic investigation of chikungunya virus in Rio de Janeiro state, Brazil, between 2015 and 2018. PLoS Negl Trop Dis 2023; 17:e0011536. [PMID: 37769008 PMCID: PMC10564160 DOI: 10.1371/journal.pntd.0011536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 10/10/2023] [Accepted: 07/17/2023] [Indexed: 09/30/2023] Open
Abstract
Since 2014, Brazil has experienced an unprecedented epidemic caused by chikungunya virus (CHIKV), with several waves of East-Central-South-African (ECSA) lineage transmission reported across the country. In 2018, Rio de Janeiro state, the third most populous state in Brazil, reported 41% of all chikungunya cases in the country. Here we use evolutionary and epidemiological analysis to estimate the timescale of CHIKV-ECSA-American lineage and its epidemiological patterns in Rio de Janeiro. We show that the CHIKV-ECSA outbreak in Rio de Janeiro derived from two distinct clades introduced from the Northeast region in mid-2015 (clade RJ1, n = 63/67 genomes from Rio de Janeiro) and mid-2017 (clade RJ2, n = 4/67). We detected evidence for positive selection in non-structural proteins linked with viral replication in the RJ1 clade (clade-defining: nsP4-A481D) and the RJ2 clade (nsP1-D531G). Finally, we estimate the CHIKV-ECSA's basic reproduction number (R0) to be between 1.2 to 1.6 and show that its instantaneous reproduction number (Rt) displays a strong seasonal pattern with peaks in transmission coinciding with periods of high Aedes aegypti transmission potential. Our results highlight the need for continued genomic and epidemiological surveillance of CHIKV in Brazil, particularly during periods of high ecological suitability, and show that selective pressures underline the emergence and evolution of the large urban CHIKV-ECSA outbreak in Rio de Janeiro.
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Affiliation(s)
- Filipe Romero Rebello Moreira
- Departamento de Genética, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
- MRC Centre for Global Infectious Disease Analysis, Jameel Institute, Imperial College London, London, United Kingdom
| | - Mariane Talon de Menezes
- Departamento de Genética, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Clarisse Salgado-Benvindo
- Departamento de Genética, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
- Department of Medical Microbiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Charles Whittaker
- MRC Centre for Global Infectious Disease Analysis, Jameel Institute, Imperial College London, London, United Kingdom
| | - Victoria Cox
- MRC Centre for Global Infectious Disease Analysis, Jameel Institute, Imperial College London, London, United Kingdom
| | - Nilani Chandradeva
- MRC Centre for Global Infectious Disease Analysis, Jameel Institute, Imperial College London, London, United Kingdom
| | - Hury Hellen Souza de Paula
- Departamento de Saúde, Programa de Pós-graduação em Biomedicina Translacional, Universidade do Grande Rio (UNIGRANRIO), Duque de Caxias, Rio de Janeiro, Brazil
| | - André Frederico Martins
- Departamento de Saúde, Programa de Pós-graduação em Biomedicina Translacional, Universidade do Grande Rio (UNIGRANRIO), Duque de Caxias, Rio de Janeiro, Brazil
| | - Raphael Rangel das Chagas
- Departamento de Saúde, Programa de Pós-graduação em Biomedicina Translacional, Universidade do Grande Rio (UNIGRANRIO), Duque de Caxias, Rio de Janeiro, Brazil
| | - Rodrigo Decembrino Vargas Brasil
- Departamento de Saúde, Programa de Pós-graduação em Biomedicina Translacional, Universidade do Grande Rio (UNIGRANRIO), Duque de Caxias, Rio de Janeiro, Brazil
| | - Darlan da Silva Cândido
- MRC Centre for Global Infectious Disease Analysis, Jameel Institute, Imperial College London, London, United Kingdom
- Department of Zoology, University of Oxford, Oxford, United Kingdom
| | - Alice Laschuk Herlinger
- Departamento de Genética, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marisa de Oliveira Ribeiro
- Institute of Technology in Immunobiology Bio-Manguinhos, Oswaldo Cruz Foundation/ Fiocruz, Rio de Janeiro, Brazil
| | - Monica Barcellos Arruda
- Institute of Technology in Immunobiology Bio-Manguinhos, Oswaldo Cruz Foundation/ Fiocruz, Rio de Janeiro, Brazil
| | - Patricia Alvarez
- Institute of Technology in Immunobiology Bio-Manguinhos, Oswaldo Cruz Foundation/ Fiocruz, Rio de Janeiro, Brazil
| | | | - Ilaria Dorigatti
- MRC Centre for Global Infectious Disease Analysis, Jameel Institute, Imperial College London, London, United Kingdom
| | - Oliver Brady
- Centre for the Mathematical Modelling of Infectious Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom
- Department of Infectious Disease Epidemiology, Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - Carolina Moreira Voloch
- Departamento de Genética, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Amilcar Tanuri
- Departamento de Genética, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Felipe Iani
- Fundação Ezequiel Dias (FUNED), Belo Horizonte, Minas Gerais, Brazil
| | - William Marciel de Souza
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
- World Reference Center for Emerging Viruses and Arboviruses, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Sergian Vianna Cardozo
- Departamento de Saúde, Programa de Pós-graduação em Biomedicina Translacional, Universidade do Grande Rio (UNIGRANRIO), Duque de Caxias, Rio de Janeiro, Brazil
| | - Nuno Rodrigues Faria
- MRC Centre for Global Infectious Disease Analysis, Jameel Institute, Imperial College London, London, United Kingdom
- Department of Zoology, University of Oxford, Oxford, United Kingdom
- Instituto de Medicina Tropical, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Renato Santana Aguiar
- Departamento de Genética, Ecologia e Evolução, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
- Instituto D’or, Rio de Janeiro, Rio de Janeiro, Brazil
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2
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Xavier J, Alcantara LCJ, Fonseca V, Lima M, Castro E, Fritsch H, Oliveira C, Guimarães N, Adelino T, Evaristo M, Rodrigues ES, Santos EV, de La-Roque D, de Moraes L, Tosta S, Neto A, Rosewell A, Mendonça AF, Leite A, Vasconcelos A, Silva de Mello AL, Vasconcelos B, Montalbano CA, Zanluca C, Freitas C, de Albuquerque CFC, Duarte Dos Santos CN, Santos CS, Dos Santos CA, Gonçalves CCM, Teixeira D, Neto DFL, Cabral D, de Oliveira EC, Noia Maciel EL, Pereira FM, Iani F, de Carvalho FP, Andrade G, Bezerra G, de Castro Lichs GG, Pereira GC, Barroso H, Franz HCF, Ferreira H, Gomes I, Riediger IN, Rodrigues I, de Siqueira IC, Silva J, Rico JM, Lima J, Abrantes J, do Nascimento JPM, Wasserheit JN, Pastor J, de Magalhães JJF, Luz KG, Lima Neto LG, Frutuoso LCV, da Silva LB, Sena L, de Sousa LAF, Pereira LA, Demarchi L, Câmara MCB, Astete MG, Almiron M, Lima M, Umaki Zardin MCS, Presibella MM, Falcão MB, Gale M, Freire N, Marques N, de Moura NFO, Almeida Da Silva PE, Rabinowitz P, da Cunha RV, Trinta KS, do Carmo Said RF, Kato R, Stabeli R, de Jesus R, Hans Santos R, Kashima S, Slavov SN, Andrade T, Rocha T, Carneiro T, Nardy V, da Silva V, Carvalho WG, Van Voorhis WC, Araujo WN, de Filippis AMB, Giovanetti M. Increased interregional virus exchange and nucleotide diversity outline the expansion of chikungunya virus in Brazil. Nat Commun 2023; 14:4413. [PMID: 37479700 PMCID: PMC10362057 DOI: 10.1038/s41467-023-40099-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 07/12/2023] [Indexed: 07/23/2023] Open
Abstract
The emergence and reemergence of mosquito-borne diseases in Brazil such as yellow fever, zika, chikungunya, and dengue have had serious impacts on public health. Concerns have been raised due to the rapid dissemination of the chikungunya virus across the country since its first detection in 2014 in Northeast Brazil. In this work, we carried out on-site training activities in genomic surveillance in partnership with the National Network of Public Health Laboratories that have led to the generation of 422 chikungunya virus genomes from 12 Brazilian states over the past two years (2021-2022), a period that has seen more than 312 thousand chikungunya fever cases reported in the country. These genomes increased the amount of available data and allowed a more comprehensive characterization of the dispersal dynamics of the chikungunya virus East-Central-South-African lineage in Brazil. Tree branching patterns revealed the emergence and expansion of two distinct subclades. Phylogeographic analysis indicated that the northeast region has been the leading hub of virus spread towards other regions. Increased frequency of C > T transitions among the new genomes suggested that host restriction factors from the immune system such as ADAR and AID/APOBEC deaminases might be driving the genetic diversity of the chikungunya virus in Brazil.
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Affiliation(s)
- Joilson Xavier
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Brazil
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Luiz Carlos Junior Alcantara
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Brazil.
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
| | - Vagner Fonseca
- Organização Pan-Americana da Saúde, Organização Mundial da Saúde, Brasília, Brazil
| | - Mauricio Lima
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Brazil
- Laboratório Central de Saúde Pública de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte, Brazil
| | - Emerson Castro
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Brazil
- Laboratório Central de Saúde Pública de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte, Brazil
| | - Hegger Fritsch
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Brazil
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Carla Oliveira
- Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Natalia Guimarães
- Laboratório Central de Saúde Pública de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte, Brazil
| | - Talita Adelino
- Laboratório Central de Saúde Pública de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte, Brazil
| | | | | | | | | | - Laise de Moraes
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
| | - Stephane Tosta
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Brazil
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Adelino Neto
- Laboratório Central de Saúde Pública do Piaui, Piauí, Brazil
| | - Alexander Rosewell
- Organização Pan-Americana da Saúde, Organização Mundial da Saúde, Brasília, Brazil
| | | | - Anderson Leite
- Laboratório Central de Saúde Pública de Alagoas, Maceió, Brazil
| | | | | | | | | | - Camila Zanluca
- Instituto Carlos Chagas, Fundação Oswaldo Cruz, Curitiba, Brazil
| | - Carla Freitas
- Coordenação Geral dos Laboratórios de Saúde Pública, Ministério da Saúde, Brasília, Brazil
| | | | | | - Cleiton S Santos
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
| | | | | | - Dalane Teixeira
- Laboratório Central de Saúde Pública da Paraíba, João Pessoa, Brazil
| | - Daniel F L Neto
- Coordenação Geral dos Laboratórios de Saúde Pública, Ministério da Saúde, Brasília, Brazil
| | - Diego Cabral
- Laboratório Central de Saúde Pública de Pernambuco, Natal, Brazil
| | | | - Ethel L Noia Maciel
- Secretaria de Vigilância em Saúde e Ambiente, Ministério da Saúde, Brasília, Brazil
| | | | - Felipe Iani
- Laboratório Central de Saúde Pública de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte, Brazil
| | | | | | - Gabriela Bezerra
- Laboratório Central de Saúde Pública de Sergipe, Aracaju, Brazil
| | | | - Glauco Carvalho Pereira
- Laboratório Central de Saúde Pública de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte, Brazil
| | - Haline Barroso
- Laboratório Central de Saúde Pública da Paraíba, João Pessoa, Brazil
| | | | - Hivylla Ferreira
- Laboratório Central de Saúde Pública do Maranhão, São Luís, Brazil
| | - Iago Gomes
- Laboratório Central de Saúde Pública do Rio Grande do Norte, Natal, Brazil
| | | | | | | | - Jacilane Silva
- Laboratório Central de Saúde Pública de Pernambuco, Natal, Brazil
| | | | - Jaqueline Lima
- Laboratório Central de Saúde Pública da Bahia, Salvador, Brazil
| | - Jayra Abrantes
- Laboratório Central de Saúde Pública do Rio Grande do Norte, Natal, Brazil
| | | | - Judith N Wasserheit
- Department of Global Health and Medicine, University of Washington, Washington, USA
| | - Julia Pastor
- Laboratório Central de Saúde Pública de Pernambuco, Natal, Brazil
| | - Jurandy J F de Magalhães
- Laboratório Central de Saúde Pública de Pernambuco, Natal, Brazil
- Universidade de Pernambuco, Serra Talhada, Brazil
| | | | | | - Livia C V Frutuoso
- Coordenação Geral das Arboviroses, Ministério da Saúde, Brasília, Brazil
| | | | - Ludmila Sena
- Laboratório Central de Saúde Pública de Sergipe, Aracaju, Brazil
| | | | | | - Luiz Demarchi
- Laboratório Central de Saúde Pública do Mato Grosso do Sul, Campo Grande, Brazil
| | - Magaly C B Câmara
- Laboratório Central de Saúde Pública do Rio Grande do Norte, Natal, Brazil
| | | | | | - Maricelia Lima
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
| | | | | | - Melissa B Falcão
- Secretaria de Saúde de Feira de Santana, Feira de Santana, Brazil
| | - Michael Gale
- Department of Immunology, University of Washington, Washington, USA
| | - Naishe Freire
- Laboratório Central de Saúde Pública de Pernambuco, Natal, Brazil
| | - Nelson Marques
- Laboratório Central de Saúde Pública do Paraná, Paraná, Brazil
| | - Noely F O de Moura
- Coordenação Geral das Arboviroses, Ministério da Saúde, Brasília, Brazil
| | | | - Peter Rabinowitz
- Department of Environmental and Occupational Health Sciences, University of Washington, Washington, USA
| | - Rivaldo V da Cunha
- Fundação Oswaldo Cruz, Instituto de Tecnologia em Imunobiológicos, Rio de Janeiro, Brazil
| | - Karen S Trinta
- Fundação Oswaldo Cruz, Instituto de Tecnologia em Imunobiológicos, Rio de Janeiro, Brazil
| | | | - Rodrigo Kato
- Coordenação Geral dos Laboratórios de Saúde Pública, Ministério da Saúde, Brasília, Brazil
| | - Rodrigo Stabeli
- Organização Pan-Americana da Saúde, Organização Mundial da Saúde, Brasília, Brazil
| | - Ronaldo de Jesus
- Coordenação Geral dos Laboratórios de Saúde Pública, Ministério da Saúde, Brasília, Brazil
| | | | - Simone Kashima
- Fundação Hemocentro de Ribeirão Preto, Ribeirão Preto, Brazil
| | - Svetoslav N Slavov
- Fundação Hemocentro de Ribeirão Preto, Ribeirão Preto, Brazil
- Center for Research Development, CDC, Butantan Institute, São Paulo, Brazil
| | - Tamires Andrade
- Laboratório Central de Saúde Pública da Paraíba, João Pessoa, Brazil
| | - Themis Rocha
- Laboratório Central de Saúde Pública do Rio Grande do Norte, Natal, Brazil
| | - Thiago Carneiro
- Laboratório Central de Saúde Pública da Paraíba, João Pessoa, Brazil
| | - Vanessa Nardy
- Laboratório Central de Saúde Pública da Bahia, Salvador, Brazil
| | | | | | | | | | | | - Marta Giovanetti
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Brazil.
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
- Sciences and Technologies for Sustainable Development and One Health, University of Campus Bio-Medico, Rome, Italy.
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3
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Elbadry MA, Efstathion CA, Qualls WA, Tagliamonte MS, Alam MM, Khan MSR, Ryan SJ, Xue RD, Charrel RN, Bangonan L, Salemi M, Ayhan N, Lednicky JA, Morris JG. Diversity and Genetic Reassortment of Keystone Virus in Mosquito Populations in Florida. Am J Trop Med Hyg 2023; 108:1256-1263. [PMID: 37127267 PMCID: PMC10540117 DOI: 10.4269/ajtmh.22-0594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 02/10/2023] [Indexed: 05/03/2023] Open
Abstract
Keystone orthobunyavirus (KEYV), a member of the genus Orthobunyavirus, was first isolated in 1964 from mosquitoes in Keystone, Florida. Although data on human infections are limited, the virus has been linked to a fever/rash syndrome and, possibly, encephalitis, with early studies suggesting that 20% of persons in the Tampa, Florida, region had antibodies to KEYV. To assess the distribution and diversity of KEYV in other regions of Florida, we collected > 6,000 mosquitoes from 43 sampling sites in St. Johns County between June 2019 and April 2020. Mosquitoes were separated into pools by species and collection date and site. All pools with Aedes spp. (293 pools, 2,171 mosquitoes) were screened with a real-time reverse transcriptase polymerase chain reaction (rRT-PCR) assay that identifies KEYV and other closely related virus species of what was previously designated as the California encephalitis serogroup. In 2020, screening for KEYV was expanded to include 211 pools of Culex mosquitoes from sites where KEYV-positive Aedes spp. had been identified. rRT-PCR-positive samples were inoculated into cell cultures, and five KEYV isolates from Aedes atlanticus pools were isolated and sequenced. Analyses of the KEYV large genome segment sequences revealed two distinct KEYV clades, whereas analyses of the medium and small genome segments uncovered past reassortment events. Our data documented the ongoing seasonal circulation of multiple KEYV clades within Ae. atlanticus mosquito populations along the east coast of Florida, highlighting the need for further studies of the impact of this virus on human health.
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Affiliation(s)
- Maha A. Elbadry
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
| | | | | | - Massimiliano S. Tagliamonte
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Pathology, Immunology, and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Md. Mahbubul Alam
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida
| | - Md. Siddiqur Rahman Khan
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida
| | - Sadie J. Ryan
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Geography, College of Liberal Arts and Sciences, University of Florida, Gainesville, Florida
| | - Rui-de Xue
- Anastasia Mosquito Control District, St. Augustine, Florida
| | - Remi N. Charrel
- Unité des Virus Emergents, Aix Marseille University, INSERM U1207, Marseille, France
| | - Lea Bangonan
- Anastasia Mosquito Control District, St. Augustine, Florida
| | - Marco Salemi
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Pathology, Immunology, and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Nazli Ayhan
- Unité des Virus Emergents, Aix Marseille University, INSERM U1207, Marseille, France
| | - John A. Lednicky
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida
| | - J. Glenn Morris
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
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4
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Xavier J, Alcantara L, Fonseca V, Lima M, Castro E, Fritsch H, Oliveira C, Guimarães N, Adelino T, Evaristo M, Rodrigues ES, Santos EV, de La-Roque D, de Moraes L, Tosta S, Neto A, Rosewell A, Mendonça AF, Leite A, Vasconcelos A, Silva de Mello AL, Vasconcelos B, Montalbano CA, Zanluca C, Freitas C, de Albuquerque CFC, Duarte dos Santos CN, Santos CS, dos Santos CA, Maymone Gonçalves CC, Teixeira D, Neto DFL, Cabral D, de Oliveira EC, Noia Maciel EL, Pereira FM, Iani F, de Carvalho FP, Andrade G, Bezerra G, de Castro Lichs GG, Pereira GC, Barroso H, Ferreira Franz HC, Ferreira H, Gomes I, Riediger IN, Rodrigues I, de Siqueira IC, Silva J, Rico JM, Lima J, Abrantes J, do Nascimento JPM, Wasserheit JN, Pastor J, de Magalhães JJF, Luz KG, Lima Neto LG, Frutuoso LCV, da Silva LB, Sena L, de Sousa LAF, Pereira LA, Demarchi L, Câmara MCB, Astete MG, Almiron M, Lima M, Umaki Zardin MCS, Presibella MM, Falcão MB, Gale M, Freire N, Marques N, de Moura NFO, Almeida Da Silva PE, Rabinowitz P, da Cunha RV, Trinta KS, do Carmo Said RF, Kato R, Stabeli R, de Jesus R, Santos RH, Haddad SK, Slavov SN, Andrade T, Rocha T, Carneiro T, Nardy V, da Silva V, Carvalho WG, Van Voorhis WC, Araujo WN, de Filippis AM, Giovanetti M. Increased interregional virus exchange and nucleotide diversity outline the expansion of the chikungunya virus ECSA lineage in Brazil. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.03.28.23287733. [PMID: 37034611 PMCID: PMC10081416 DOI: 10.1101/2023.03.28.23287733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
The emergence and reemergence of mosquito-borne diseases in Brazil such as Yellow Fever, Zika, Chikungunya, and Dengue have had serious impacts on public health. Concerns have been raised due to the rapid dissemination of the chikungunya virus (CHIKV) across the country since its first detection in 2014 in Northeast Brazil. Faced with this scenario, on-site training activities in genomic surveillance carried out in partnership with the National Network of Public Health Laboratories have led to the generation of 422 CHIKV genomes from 12 Brazilian states over the past two years (2021-2022), a period that has seen more than 312 thousand chikungunya fever cases reported in the country. These new genomes increased the amount of available data and allowed a more comprehensive characterization of the dispersion dynamics of the CHIKV East-Central-South-African (ECSA) lineage in Brazil. Tree branching patterns revealed the emergence and expansion of two distinct subclades. Phylogeographic analysis indicated that the northeast region has been the leading hub of virus spread towards other regions. Increased frequency of C>T transitions among the new genomes suggested that host restriction factors from the immune system such as ADAR and AID/APOBEC deaminases might be driving CHIKV ECSA lineage genetic diversity in Brazil.
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Affiliation(s)
- Joilson Xavier
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Minas Gerais, Brazil
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Brazil
| | - Luiz Alcantara
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Minas Gerais, Brazil
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Brazil
- Correspondence: , &
| | - Vagner Fonseca
- Organização Pan-Americana da Saúde, Organização Mundial da Saúde, Brazil
| | - Mauricio Lima
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Minas Gerais, Brazil
- Laboratório Central de Saúde Pública de Minas Gerais, Fundação Ezequiel Dias, Brazil
| | - Emerson Castro
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Minas Gerais, Brazil
- Laboratório Central de Saúde Pública de Minas Gerais, Fundação Ezequiel Dias, Brazil
| | - Hegger Fritsch
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Minas Gerais, Brazil
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Brazil
| | - Carla Oliveira
- Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Natalia Guimarães
- Laboratório Central de Saúde Pública de Minas Gerais, Fundação Ezequiel Dias, Brazil
| | - Talita Adelino
- Laboratório Central de Saúde Pública de Minas Gerais, Fundação Ezequiel Dias, Brazil
| | | | | | | | | | - Laise de Moraes
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Bahia, Brazil
| | - Stephane Tosta
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Minas Gerais, Brazil
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Brazil
| | - Adelino Neto
- Laboratório Central de Saúde Pública do Piaui, Brazil
| | - Alexander Rosewell
- Organização Pan-Americana da Saúde, Organização Mundial da Saúde, Brazil
| | | | | | | | | | | | | | - Camila Zanluca
- Instituto Carlos Chagas, Fundação Oswaldo Cruz, Paraná, Brazil
| | - Carla Freitas
- Coordenação Geral dos Laboratórios de Saúde Pública, Ministério da Saúde, Brazil
| | | | | | | | | | | | | | - Daniel F. L. Neto
- Coordenação Geral dos Laboratórios de Saúde Pública, Ministério da Saúde, Brazil
| | - Diego Cabral
- Laboratório Central de Saúde Pública de Pernambuco, Brazil
| | | | | | | | - Felipe Iani
- Laboratório Central de Saúde Pública de Minas Gerais, Fundação Ezequiel Dias, Brazil
| | | | | | | | | | | | | | | | | | - Iago Gomes
- Laboratório Central de Saúde Pública do Rio Grande do Norte, Brazil
| | | | | | | | - Jacilane Silva
- Laboratório Central de Saúde Pública de Pernambuco, Brazil
| | | | | | - Jayra Abrantes
- Laboratório Central de Saúde Pública do Rio Grande do Norte, Brazil
| | | | | | - Julia Pastor
- Laboratório Central de Saúde Pública de Pernambuco, Brazil
| | - Jurandy J. F. de Magalhães
- Laboratório Central de Saúde Pública de Pernambuco, Brazil
- Universidade de Pernambuco Campus Serra Talhada
| | | | | | | | | | - Ludmila Sena
- Laboratório Central de Saúde Pública de Sergipe, Brazil
| | | | | | - Luiz Demarchi
- Laboratório Central de Saúde Pública do Mato Grosso do Sul, Brazil
| | | | | | | | | | | | | | - Melissa B. Falcão
- Secretaria de Saúde de Feira de Santana, Feira de Santana, Bahia, Brazil
| | - Michael Gale
- Department of Immunology, University of Washington, USA
| | - Naishe Freire
- Laboratório Central de Saúde Pública de Pernambuco, Brazil
| | | | | | | | - Peter Rabinowitz
- Department of Environmental and Occupational Health Sciences, University of Washington, USA
| | | | - Karen S. Trinta
- Fundação Oswaldo Cruz, Instituto de Tecnologia em Imunobiológicos, Brazil
| | | | - Rodrigo Kato
- Coordenação Geral dos Laboratórios de Saúde Pública, Ministério da Saúde, Brazil
| | - Rodrigo Stabeli
- Organização Pan-Americana da Saúde, Organização Mundial da Saúde, Brazil
| | - Ronaldo de Jesus
- Coordenação Geral dos Laboratórios de Saúde Pública, Ministério da Saúde, Brazil
| | | | | | - Svetoslav N. Slavov
- Fundação Hemocentro de Ribeirão Preto, Brazil
- Center for Research Development, CDC, Butantan Institute, Brazil
| | | | - Themis Rocha
- Laboratório Central de Saúde Pública do Rio Grande do Norte, Brazil
| | | | - Vanessa Nardy
- Laboratório Central de Saúde Pública da Bahia, Brazil
| | | | | | | | | | - Ana M.B. de Filippis
- Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
- Correspondence: , &
| | - Marta Giovanetti
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Minas Gerais, Brazil
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Brazil
- Sciences and Technologies for Sustainable Development and One Health, University of Campus Bio-Medico, Italy
- Correspondence: , &
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5
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Kading RC, Borland EM, Mossel EC, Nakayiki T, Nalikka B, Ledermann JP, Crabtree MB, Panella NA, Nyakarahuka L, Gilbert AT, Kerbis-Peterhans JC, Towner JS, Amman BR, Sealy TK, Miller BR, Lutwama JJ, Kityo RM, Powers AM. Exposure of Egyptian Rousette Bats ( Rousettus aegyptiacus) and a Little Free-Tailed Bat ( Chaerephon pumilus) to Alphaviruses in Uganda. Diseases 2022; 10:diseases10040121. [PMID: 36547207 PMCID: PMC9777265 DOI: 10.3390/diseases10040121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/18/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022] Open
Abstract
The reservoir for zoonotic o'nyong-nyong virus (ONNV) has remained unknown since this virus was first recognized in Uganda in 1959. Building on existing evidence for mosquito blood-feeding on various frugivorous bat species in Uganda, and seroprevalence for arboviruses among bats in Uganda, we sought to assess if serum samples collected from bats in Uganda demonstrated evidence of exposure to ONNV or the closely related zoonotic chikungunya virus (CHIKV). In total, 652 serum samples collected from six bat species were tested by plaque reduction neutralization test (PRNT) for neutralizing antibodies against ONNV and CHIKV. Forty out of 303 (13.2%) Egyptian rousettes from Maramagambo Forest and 1/13 (8%) little free-tailed bats from Banga Nakiwogo, Entebbe contained neutralizing antibodies against ONNV. In addition, 2/303 (0.7%) of these Egyptian rousettes contained neutralizing antibodies to CHIKV, and 8/303 (2.6%) contained neutralizing antibodies that were nonspecifically reactive to alphaviruses. These data support the interepidemic circulation of ONNV and CHIKV in Uganda, although Egyptian rousette bats are unlikely to serve as reservoirs for these viruses given the inconsistent occurrence of antibody-positive bats.
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Affiliation(s)
- Rebekah C. Kading
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA
- Arbovirus Diseases Branch, Division of Vector-Borne Diseases, U.S. Centers for Disease Control and Prevention, Fort Collins, CO 80521, USA
- Correspondence: ; Tel.: +1-970-491-7833
| | - Erin M. Borland
- Arbovirus Diseases Branch, Division of Vector-Borne Diseases, U.S. Centers for Disease Control and Prevention, Fort Collins, CO 80521, USA
| | - Eric C. Mossel
- Arbovirus Diseases Branch, Division of Vector-Borne Diseases, U.S. Centers for Disease Control and Prevention, Fort Collins, CO 80521, USA
| | - Teddy Nakayiki
- Department of Arbovirology, Emerging, and Re-Emerging Infections, Uganda Virus Research Institute, Entebbe, Uganda
| | - Betty Nalikka
- Department of Zoology, Entomology, and Fisheries Science, Makerere University, Kampala, Uganda
| | - Jeremy P. Ledermann
- Arbovirus Diseases Branch, Division of Vector-Borne Diseases, U.S. Centers for Disease Control and Prevention, Fort Collins, CO 80521, USA
| | - Mary B. Crabtree
- Arbovirus Diseases Branch, Division of Vector-Borne Diseases, U.S. Centers for Disease Control and Prevention, Fort Collins, CO 80521, USA
| | - Nicholas A. Panella
- Arbovirus Diseases Branch, Division of Vector-Borne Diseases, U.S. Centers for Disease Control and Prevention, Fort Collins, CO 80521, USA
| | - Luke Nyakarahuka
- Department of Arbovirology, Emerging, and Re-Emerging Infections, Uganda Virus Research Institute, Entebbe, Uganda
| | - Amy T. Gilbert
- Animal Plant Health Inspection Service, National Wildlife Research Center, United States Department of Agriculture, Fort Collins, CO 80521, USA
- Poxvirus and Rabies Branch, Division of High-Consequence Pathogens, United States Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
| | - Julian C. Kerbis-Peterhans
- Negaunee Integrative Research Center, Field Museum of Natural History, College of Arts & Sciences, Roosevelt University, Chicago, IL 60605, USA
| | - Jonathan S. Towner
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens, United States Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
| | - Brian R. Amman
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens, United States Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
| | - Tara K. Sealy
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens, United States Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
| | - Barry R. Miller
- Arbovirus Diseases Branch, Division of Vector-Borne Diseases, U.S. Centers for Disease Control and Prevention, Fort Collins, CO 80521, USA
| | - Julius J. Lutwama
- Department of Arbovirology, Emerging, and Re-Emerging Infections, Uganda Virus Research Institute, Entebbe, Uganda
| | - Robert M. Kityo
- Department of Zoology, Entomology, and Fisheries Science, Makerere University, Kampala, Uganda
| | - Ann M. Powers
- Arbovirus Diseases Branch, Division of Vector-Borne Diseases, U.S. Centers for Disease Control and Prevention, Fort Collins, CO 80521, USA
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6
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Alam MM, Mavian C, Okech BA, White SK, Stephenson CJ, Elbadry MA, Blohm GM, Loeb JC, Louis R, Saleem C, Madsen Beau de Rochars VE, Salemi M, Lednicky JA, Morris JG. Analysis of Zika Virus Sequence Data Associated with a School Cohort in Haiti. Am J Trop Med Hyg 2022; 107:873-880. [PMID: 36096408 PMCID: PMC9651511 DOI: 10.4269/ajtmh.22-0204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 05/11/2022] [Indexed: 11/07/2022] Open
Abstract
Zika virus (ZIKV) infections occurred in epidemic form in the Americas in 2014-2016, with some of the earliest isolates in the region coming from Haiti. We isolated ZIKV from 20 children with acute undifferentiated febrile illness who were part of a cohort of children seen at a school clinic in the Gressier region of Haiti. The virus was also isolated from three pools of Aedes aegypti mosquitoes collected at the same location. On phylogenetic analysis, three distinct ZIKV clades were identified. Strains from all three clades were present in Haiti in 2014, making them among the earliest isolates identified in the Western Hemisphere. Strains from all three clades were also isolated in 2016, indicative of their persistence across the time period of the epidemic. Mosquito isolates were collected in 2016 and included representatives from two of the three clades; in one instance, ZIKV was isolated from a pool of male mosquitoes, suggestive of vertical transmission of the virus. The identification of multiple ZIKV clades in Haiti at the beginning of the epidemic suggests that Haiti served as a nidus for transmission within the Caribbean.
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Affiliation(s)
- Md. Mahbubul Alam
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida
| | - Carla Mavian
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Pathology, Immunology, and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Bernard A. Okech
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida
| | - Sarah K. White
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida
| | - Caroline J. Stephenson
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida
| | - Maha A. Elbadry
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida
| | - Gabriela M. Blohm
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida
| | - Julia C. Loeb
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida
| | - Rigan Louis
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- State University of Haiti Faculty of Medicine and Pharmacy, Port-au-Prince, Haiti
| | - Cyrus Saleem
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
| | - Valery E. Madsen Beau de Rochars
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Health Services Research, Management and Policy, College of Public Health and Health Professions, University of Florida, Gainesville, Florida
| | - Marco Salemi
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Pathology, Immunology, and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - John A. Lednicky
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida
| | - J. Glenn Morris
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida
- Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
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de Oliveira Ribeiro G, Gill DE, do Socorro Foro Ramos E, Villanova F, Soares D’Athaide Ribeiro E, Monteiro FJC, Morais VS, Rego MODS, Araújo ELL, Pandey RP, Raj VS, Deng X, Delwart E, da Costa AC, Leal É. Chikungunya Virus Asian Lineage Infection in the Amazon Region Is Maintained by Asiatic and Caribbean-Introduced Variants. Viruses 2022; 14:v14071445. [PMID: 35891427 PMCID: PMC9319912 DOI: 10.3390/v14071445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/22/2022] [Accepted: 06/25/2022] [Indexed: 02/04/2023] Open
Abstract
The simultaneous transmission of two lineages of the chikungunya virus (CHIKV) was discovered after the pathogen’s initial arrival in Brazil. In Oiapoque (Amapá state, north Brazil), the Asian lineage (CHIKV-Asian) was discovered, while in Bahia state, the East-Central-South-African lineage (CHIKV-ECSA) was discovered (northeast Brazil). Since then, the CHIKV-Asian lineage has been restricted to the Amazon region (mostly in the state of Amapá), whereas the ECSA lineage has expanded across the country. Despite the fact that the Asian lineage was already present in the Amazon region, the ECSA lineage brought from the northeast caused a large outbreak in the Amazonian state of Roraima (north Brazil) in 2017. Here, CHIKV spread in the Amazon region was studied by a Zika–Dengue–Chikungunya PCR assay in 824 serum samples collected between 2013 and 2016 from individuals with symptoms of viral infection in the Amapá state. We found 11 samples positive for CHIKV-Asian, and, from these samples, we were able to retrieve 10 full-length viral genomes. A comprehensive phylogenetic study revealed that nine CHIKV sequences came from a local transmission cluster related to Caribbean strains, whereas one sequence was related to sequences from the Philippines. These findings imply that CHIKV spread in different ways in Roraima and Amapá, despite the fact that both states had similar climatic circumstances and mosquito vector frequencies.
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Affiliation(s)
- Geovani de Oliveira Ribeiro
- Laboratório de Diversidade Viral, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belem 66075-000, Brazil; (G.d.O.R.); (E.d.S.F.R.); (F.V.)
| | - Danielle Elise Gill
- Instituto de Medicina Tropical da Faculdade de Medicina da Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.E.G.); (V.S.M.); (A.C.d.C.)
| | - Endrya do Socorro Foro Ramos
- Laboratório de Diversidade Viral, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belem 66075-000, Brazil; (G.d.O.R.); (E.d.S.F.R.); (F.V.)
| | - Fabiola Villanova
- Laboratório de Diversidade Viral, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belem 66075-000, Brazil; (G.d.O.R.); (E.d.S.F.R.); (F.V.)
| | - Edcelha Soares D’Athaide Ribeiro
- Public Health Laboratory of Amapa-LACEN/AP, Health Surveillance Superintendence of Amapa, Macapa 68905-230, Brazil; (E.S.D.R.); (F.J.C.M.); (M.O.d.S.R.)
| | - Fred Julio Costa Monteiro
- Public Health Laboratory of Amapa-LACEN/AP, Health Surveillance Superintendence of Amapa, Macapa 68905-230, Brazil; (E.S.D.R.); (F.J.C.M.); (M.O.d.S.R.)
| | - Vanessa S. Morais
- Instituto de Medicina Tropical da Faculdade de Medicina da Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.E.G.); (V.S.M.); (A.C.d.C.)
| | - Marlisson Octavio da S. Rego
- Public Health Laboratory of Amapa-LACEN/AP, Health Surveillance Superintendence of Amapa, Macapa 68905-230, Brazil; (E.S.D.R.); (F.J.C.M.); (M.O.d.S.R.)
| | - Emerson Luiz Lima Araújo
- General Coordination of Public Health, Laboratories of the Strategic Articulation, Department of the Health Surveillance Secretariat of the Ministry of Health (CGLAB/DAEVS/SVS-MS), Brasília 70719-040, Brazil;
| | - Ramendra Pati Pandey
- Centre for Drug Design Discovery and Development (C4D), SRM University, Delhi-NCR, Rajiv Gandhi Education City, Sonepat 131029, Haryana, India; (R.P.P.); (V.S.R.); (E.D.)
| | - V. Samuel Raj
- Centre for Drug Design Discovery and Development (C4D), SRM University, Delhi-NCR, Rajiv Gandhi Education City, Sonepat 131029, Haryana, India; (R.P.P.); (V.S.R.); (E.D.)
| | - Xutao Deng
- Vitalant Research Institute, 270 Masonic Avenue, San Francisco, CA 94118, USA;
- Department Laboratory Medicine, University of California San Francisco, San Francisco, CA 94118, USA
| | - Eric Delwart
- Centre for Drug Design Discovery and Development (C4D), SRM University, Delhi-NCR, Rajiv Gandhi Education City, Sonepat 131029, Haryana, India; (R.P.P.); (V.S.R.); (E.D.)
- Vitalant Research Institute, 270 Masonic Avenue, San Francisco, CA 94118, USA;
| | - Antonio Charlys da Costa
- Instituto de Medicina Tropical da Faculdade de Medicina da Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.E.G.); (V.S.M.); (A.C.d.C.)
| | - Élcio Leal
- Laboratório de Diversidade Viral, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belem 66075-000, Brazil; (G.d.O.R.); (E.d.S.F.R.); (F.V.)
- Correspondence:
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Dynamic Molecular Epidemiology Reveals Lineage-Associated Single-Nucleotide Variants That Alter RNA Structure in Chikungunya Virus. Genes (Basel) 2021; 12:genes12020239. [PMID: 33567556 PMCID: PMC7914560 DOI: 10.3390/genes12020239] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 01/29/2021] [Accepted: 02/04/2021] [Indexed: 01/21/2023] Open
Abstract
Chikungunya virus (CHIKV) is an emerging Alphavirus which causes millions of human infections every year. Outbreaks have been reported in Africa and Asia since the early 1950s, from three CHIKV lineages: West African, East Central South African, and Asian Urban. As new outbreaks occurred in the Americas, individual strains from the known lineages have evolved, creating new monophyletic groups that generated novel geographic-based lineages. Building on a recently updated phylogeny of CHIKV, we report here the availability of an interactive CHIKV phylodynamics dataset, which is based on more than 900 publicly available CHIKV genomes. We provide an interactive view of CHIKV molecular epidemiology built on Nextstrain, a web-based visualization framework for real-time tracking of pathogen evolution. CHIKV molecular epidemiology reveals single nucleotide variants that change the stability and fold of locally stable RNA structures. We propose alternative RNA structure formation in different CHIKV lineages by predicting more than a dozen RNA elements that are subject to perturbation of the structure ensemble upon variation of a single nucleotide.
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9
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Jeffries CL, White M, Wilson L, Yakob L, Walker T. Detection of Cell-Fusing Agent virus across ecologically diverse populations of Aedes aegypti on the Caribbean island of Saint Lucia. Wellcome Open Res 2020; 5:149. [PMID: 33869790 PMCID: PMC8030115 DOI: 10.12688/wellcomeopenres.16030.2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/09/2020] [Indexed: 11/20/2022] Open
Abstract
Background. Outbreaks of mosquito-borne arboviral diseases including dengue virus (DENV), Zika virus (ZIKV), yellow fever virus (YFV) and chikungunya virus (CHIKV) have recently occurred in the Caribbean. The geographical range of the principal vectors responsible for transmission, Aedes (Ae.) aegypti and Ae. albopictus are increasing and greater mosquito surveillance is needed in the Caribbean given international tourism is so prominent. The island of Saint Lucia has seen outbreaks of DENV and CHIKV in the past five years but vector surveillance has been limited with the last studies dating back to the late 1970s. Natural disasters have changed the landscape of Saint Lucia and the island has gone through significant urbanisation. Methods. In this study, we conducted an entomological survey of Ae. aegypti and Ae. albopictus distribution across the island and analysed environmental parameters associated with the presence of these species in addition to screening for medically important arboviruses and other flaviviruses. Results. Although we collected Ae. aegypti across a range of sites across the island, no Ae. albopictus were collected despite traps being placed in diverse ecological settings. The number of Ae. aegypti collected was significantly associated with higher elevation, and semi-urban settings yielded female mosquito counts per trap-day that were five-fold lower than urban settings. Screening for arboviruses revealed a high prevalence of cell-fusing agent virus (CFAV). Conclusions. Outbreaks of arboviruses transmitted by Ae. aegypti and Ae. albopictus have a history of occurring in small tropical islands and Saint Lucia is particularly vulnerable given the limited resources available to undertake vector control and manage outbreaks. Surveillance strategies can identify risk areas for predicting future outbreaks. Further research is needed to determine the diversity of current mosquito species, investigate insect-specific viruses, as well as pathogenic arboviruses, and this should also be extended to the neighbouring smaller Caribbean islands.
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Affiliation(s)
- Claire L. Jeffries
- Department of Disease Control, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Mia White
- Department of Disease Control, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Louisia Wilson
- Department of Disease Control, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Laith Yakob
- Department of Disease Control, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Thomas Walker
- Department of Disease Control, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
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10
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Julander JG, Dagley A, Gebre M, Komeno T, Nakajima N, Smee DF, Furuta Y. Strain-dependent disease and response to favipiravir treatment in mice infected with Chikungunya virus. Antiviral Res 2020; 182:104904. [PMID: 32791074 PMCID: PMC7543030 DOI: 10.1016/j.antiviral.2020.104904] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 07/28/2020] [Accepted: 07/29/2020] [Indexed: 01/13/2023]
Abstract
Antiviral countermeasures are needed to reduce the morbidity associated with Chikungunya virus (CHIKV) infection. This arbovirus reemerged in 2004 and causes periodic outbreaks in various areas throughout the world. While infection is rarely lethal, the majority of people infected with the virus develop a hallmark arthralgia as well as other disease manifestations. The virus is classified within three phylogenetic groups, namely, West African, East/Central/South African (ECSA), and Asian. Six strains of CHIKV covering the three phylogenetic groups were studied for their replication in cell culture, their ability to cause disease in susceptible mouse strains and susceptibility to antiviral treatment. Differential replication kinetics were observed for various CHIKV isolates in cell culture, which coincided with a decreased sensitivity to antiviral treatment as compared with ECSA and Asian clade viruses. This was confirmed in mouse infection studies with severe disease observed in mice infected with West African clade viruses, mild disease phenotype after infection with Asian clade viruses and an intermediate disease severity associated with ECSA virus infection. We also tested a broadly active antiviral, Favipiravir (T-705), which activity was inversely proportional to disease severity. These data suggest that some clades of CHIKV may cause more severe disease and may be more difficult to treat.
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Affiliation(s)
- Justin G Julander
- Institute for Antiviral Research, Utah State University, Logan, UT, USA.
| | - Ashley Dagley
- Institute for Antiviral Research, Utah State University, Logan, UT, USA
| | - Makda Gebre
- Institute for Antiviral Research, Utah State University, Logan, UT, USA
| | | | | | - Donald F Smee
- Institute for Antiviral Research, Utah State University, Logan, UT, USA
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Jeffries CL, White M, Wilson L, Yakob L, Walker T. Detection of a novel insect-specific flavivirus across ecologically diverse populations of Aedes aegypti on the Caribbean island of Saint Lucia. Wellcome Open Res 2020; 5:149. [PMID: 33869790 PMCID: PMC8030115 DOI: 10.12688/wellcomeopenres.16030.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/19/2020] [Indexed: 04/01/2024] Open
Abstract
Background. Outbreaks of mosquito-borne arboviral diseases including dengue virus (DENV), Zika virus (ZIKV), yellow fever virus (YFV) and chikungunya virus (CHIKV) have recently occurred in the Caribbean. The geographical range of the principle vectors responsible for transmission, Aedes (Ae.) aegypti and Ae. albopictus is increasing and greater mosquito surveillance is needed in the Caribbean given international tourism is so prominent. The island of Saint Lucia has seen outbreaks of DENV and CHIKV in the past five years but vector surveillance has been limited with the last studies dating back to the late 1970s. Natural disasters have changed the landscape of Saint Lucia and the island has gone through significant urbanisation. Methods. In this study, we conducted an entomological survey of Ae. aegypti and Ae. albopictus distribution across the island and analysed environmental parameters associated with the presence of these species in addition to screening for medically important arboviruses and other flaviviruses. Results. Although we collected Ae. aegypti across a range of sites across the island, no Ae. albopictus were collected despite traps being placed in diverse ecological settings. The number of Ae. aegypti collected was significantly associated with higher elevation, and semi-urban settings yielded female mosquito counts per trap-day that were five-fold lower than urban settings. Screening for arboviruses revealed a high prevalence of a novel insect-specific flavivirus closely related to cell fusing agent virus (CFAV). Conclusions. Outbreaks of arboviruses transmitted by Ae. aegypti and Ae. albopictus have a history of occurring in small tropical islands and Saint Lucia is particularly vulnerable given the limited resources available to undertake vector control and manage outbreaks. Surveillance strategies can identify risk areas for predicting future outbreaks and further research is needed to determine the diversity of current mosquito species and this should be extended to the neighbouring smaller Caribbean islands.
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Affiliation(s)
- Claire L. Jeffries
- Department of Disease Control, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Mia White
- Department of Disease Control, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Louisia Wilson
- Department of Disease Control, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Laith Yakob
- Department of Disease Control, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Thomas Walker
- Department of Disease Control, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
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12
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Prow NA, Liu L, McCarthy MK, Walters K, Kalkeri R, Geiger J, Koide F, Cooper TH, Eldi P, Nakayama E, Diener KR, Howley PM, Hayball JD, Morrison TE, Suhrbier A. The vaccinia virus based Sementis Copenhagen Vector vaccine against Zika and chikungunya is immunogenic in non-human primates. NPJ Vaccines 2020; 5:44. [PMID: 32550013 PMCID: PMC7265471 DOI: 10.1038/s41541-020-0191-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 04/24/2020] [Indexed: 01/09/2023] Open
Abstract
The Sementis Copenhagen Vector (SCV) is a new vaccinia virus-derived, multiplication-defective, vaccine technology assessed herein in non-human primates. Indian rhesus macaques (Macaca mulatta) were vaccinated with a multi-pathogen recombinant SCV vaccine encoding the structural polyproteins of both Zika virus (ZIKV) and chikungunya virus (CHIKV). After one vaccination, neutralising antibody responses to ZIKV and four strains of CHIKV, representative of distinct viral genotypes, were generated. A second vaccination resulted in significant boosting of neutralising antibody responses to ZIKV and CHIKV. Following challenge with ZIKV, SCV-ZIKA/CHIK-vaccinated animals showed significant reductions in viremias compared with animals that had received a control SCV vaccine. Two SCV vaccinations also generated neutralising and IgG ELISA antibody responses to vaccinia virus. These results demonstrate effective induction of immunity in non-human primates by a recombinant SCV vaccine and illustrates the utility of SCV as a multi-disease vaccine platform capable of delivering multiple large immunogens.
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Affiliation(s)
- Natalie A Prow
- Inflammation Biology, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4029 Australia.,Australian Infectious Disease Research Centre, Brisbane, QLD 4029 and 4072 Australia.,Experimental Therapeutics Laboratory, School of Pharmacy and Medical Sciences, UniSA Cancer Research Institute, University of South Australia, Adelaide, SA 5000 Australia
| | - Liang Liu
- Experimental Therapeutics Laboratory, School of Pharmacy and Medical Sciences, UniSA Cancer Research Institute, University of South Australia, Adelaide, SA 5000 Australia
| | - Mary K McCarthy
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045 USA
| | - Kevin Walters
- Department of Infectious Disease Research, Southern Research Institute, Frederick, MD 21701 USA
| | - Raj Kalkeri
- Department of Infectious Disease Research, Southern Research Institute, Frederick, MD 21701 USA
| | - Jillian Geiger
- Department of Infectious Disease Research, Southern Research Institute, Frederick, MD 21701 USA
| | - Fusataka Koide
- Department of Infectious Disease Research, Southern Research Institute, Frederick, MD 21701 USA
| | - Tamara H Cooper
- Experimental Therapeutics Laboratory, School of Pharmacy and Medical Sciences, UniSA Cancer Research Institute, University of South Australia, Adelaide, SA 5000 Australia
| | - Preethi Eldi
- Experimental Therapeutics Laboratory, School of Pharmacy and Medical Sciences, UniSA Cancer Research Institute, University of South Australia, Adelaide, SA 5000 Australia
| | - Eri Nakayama
- Inflammation Biology, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4029 Australia.,Department of Virology I, National Institute of Infectious Diseases, Tokyo, 162-8640 Japan
| | - Kerrilyn R Diener
- Experimental Therapeutics Laboratory, School of Pharmacy and Medical Sciences, UniSA Cancer Research Institute, University of South Australia, Adelaide, SA 5000 Australia.,Robinson Research Institute and Adelaide Medical School, University of Adelaide, Adelaide, SA 5005 Australia
| | | | - John D Hayball
- Experimental Therapeutics Laboratory, School of Pharmacy and Medical Sciences, UniSA Cancer Research Institute, University of South Australia, Adelaide, SA 5000 Australia
| | - Thomas E Morrison
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045 USA
| | - Andreas Suhrbier
- Inflammation Biology, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4029 Australia.,Australian Infectious Disease Research Centre, Brisbane, QLD 4029 and 4072 Australia
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13
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Boyles SM, Mavian CN, Finol E, Ukhanova M, Stephenson CJ, Hamerlinck G, Kang S, Baumgartner C, Geesey M, Stinton I, Williams K, Mathias DK, Prosperi M, Mai V, Salemi M, Buckner EA, Lednicky JA, Rivers AR, Dinglasan RR. Under-the-Radar Dengue Virus Infections in Natural Populations of Aedes aegypti Mosquitoes. mSphere 2020; 5:e00316-20. [PMID: 32350095 PMCID: PMC7193045 DOI: 10.1128/msphere.00316-20] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 04/12/2020] [Indexed: 12/30/2022] Open
Abstract
The incidence of locally acquired dengue infections increased during the last decade in the United States, compelling a sustained research effort concerning the dengue mosquito vector, Aedes aegypti, and its microbiome, which has been shown to influence virus transmission success. We examined the "metavirome" of four populations of Aedes aegypti mosquitoes collected in 2016 to 2017 in Manatee County, FL. Unexpectedly, we discovered that dengue virus serotype 4 (DENV4) was circulating in these mosquito populations, representing the first documented case of such a phenomenon in the absence of a local DENV4 human case in this county over a 2-year period. We confirmed that all of the mosquito populations carried the same DENV4 strain, assembled its full genome, validated infection orthogonally by reverse transcriptase PCR, traced the virus origin, estimated the time period of its introduction to the Caribbean region, and explored the viral genetic signatures and mosquito-specific virome associations that potentially mediated DENV4 persistence in mosquitoes. We discuss the significance of prolonged maintenance of the DENV4 infections in A. aegypti that occurred in the absence of a DENV4 human index case in Manatee County with respect to the inability of current surveillance paradigms to detect mosquito vector infections prior to a potential local outbreak.IMPORTANCE Since 1999, dengue outbreaks in the continental United States involving local transmission have occurred only episodically and only in Florida and Texas. In Florida, these episodes appear to be coincident with increased introductions of dengue virus into the region through human travel and migration from countries where the disease is endemic. To date, the U.S. public health response to dengue outbreaks has been largely reactive, and implementation of comprehensive arbovirus surveillance in advance of predictable transmission seasons, which would enable proactive preventative efforts, remains unsupported. The significance of our finding is that it is the first documented report of DENV4 transmission to and maintenance within a local mosquito vector population in the continental United States in the absence of a human case during two consecutive years. Our data suggest that molecular surveillance of mosquito populations in high-risk, high-tourism areas of the United States may enable proactive, targeted vector control before potential arbovirus outbreaks.
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Affiliation(s)
- Sean M Boyles
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
- Department of Infectious Diseases & Immunology, College of Veterinary Medicine, University of Florida, Gainesville, Florida, USA
- CDC Southeastern Center of Excellence in Vector Borne Diseases, Gainesville, Florida, USA
| | - Carla N Mavian
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
- Department of Pathology, College of Medicine, University of Florida, Gainesville, Florida, USA
| | - Esteban Finol
- Institute for Molecular Biology and Biophysics, ETH Zurich, Zurich, Switzerland
| | - Maria Ukhanova
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
- Department of Epidemiology, College of Public Health and Health Professions & College of Medicine, University of Florida, Gainesville, Florida, USA
| | - Caroline J Stephenson
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida, USA
- CDC Southeastern Center of Excellence in Vector Borne Diseases, Gainesville, Florida, USA
| | - Gabriela Hamerlinck
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
- Department of Geography, College of Liberal Arts & Sciences, University of Florida, Gainesville, Florida, USA
- CDC Southeastern Center of Excellence in Vector Borne Diseases, Gainesville, Florida, USA
| | - Seokyoung Kang
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
- Department of Infectious Diseases & Immunology, College of Veterinary Medicine, University of Florida, Gainesville, Florida, USA
- CDC Southeastern Center of Excellence in Vector Borne Diseases, Gainesville, Florida, USA
| | | | - Mary Geesey
- Manatee County Mosquito Control District, Palmetto, Florida, USA
| | - Israel Stinton
- Manatee County Mosquito Control District, Palmetto, Florida, USA
| | - Katie Williams
- Manatee County Mosquito Control District, Palmetto, Florida, USA
| | - Derrick K Mathias
- CDC Southeastern Center of Excellence in Vector Borne Diseases, Gainesville, Florida, USA
- Florida Medical Entomology Laboratory, Institute of Food and Agricultural Sciences, University of Florida, Vero Beach, Florida, USA
| | - Mattia Prosperi
- Department of Epidemiology, College of Public Health and Health Professions & College of Medicine, University of Florida, Gainesville, Florida, USA
| | - Volker Mai
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
- Department of Epidemiology, College of Public Health and Health Professions & College of Medicine, University of Florida, Gainesville, Florida, USA
| | - Marco Salemi
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
- Department of Pathology, College of Medicine, University of Florida, Gainesville, Florida, USA
| | - Eva A Buckner
- CDC Southeastern Center of Excellence in Vector Borne Diseases, Gainesville, Florida, USA
- Manatee County Mosquito Control District, Palmetto, Florida, USA
- Florida Medical Entomology Laboratory, Institute of Food and Agricultural Sciences, University of Florida, Vero Beach, Florida, USA
| | - John A Lednicky
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida, USA
- CDC Southeastern Center of Excellence in Vector Borne Diseases, Gainesville, Florida, USA
| | - Adam R Rivers
- CDC Southeastern Center of Excellence in Vector Borne Diseases, Gainesville, Florida, USA
- Genomics and Bioinformatics Research Unit, Agricultural Research Service, United States Department of Agriculture, Gainesville, Florida, USA
| | - Rhoel R Dinglasan
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
- Department of Infectious Diseases & Immunology, College of Veterinary Medicine, University of Florida, Gainesville, Florida, USA
- CDC Southeastern Center of Excellence in Vector Borne Diseases, Gainesville, Florida, USA
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14
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Pezzi L, Diallo M, Rosa-Freitas MG, Vega-Rua A, Ng LFP, Boyer S, Drexler JF, Vasilakis N, Lourenco-de-Oliveira R, Weaver SC, Kohl A, de Lamballerie X, Failloux AB. GloPID-R report on chikungunya, o'nyong-nyong and Mayaro virus, part 5: Entomological aspects. Antiviral Res 2019; 174:104670. [PMID: 31812638 DOI: 10.1016/j.antiviral.2019.104670] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 11/28/2019] [Indexed: 10/25/2022]
Abstract
The GloPID-R (Global Research Collaboration for Infectious Disease Preparedness) chikungunya (CHIKV), o'nyong-nyong (ONNV) and Mayaro virus (MAYV) Working Group has been established to investigate natural history, epidemiology and clinical aspects of infection by these viruses. Here, we present a report dedicated to entomological aspects of CHIKV, ONNV and MAYV. Recent global expansion of chikungunya virus has been possible because CHIKV established a transmission cycle in urban settings using anthropophilic vectors such as Aedes albopictus and Aedes aegypti. MAYV and ONNV have a more limited geographic distribution, being confined to Africa (ONNV) and central-southern America (MAYV). ONNV is probably maintained through an enzootic cycle that has not been characterized yet, with Anopheles species as main vectors and humans as amplification hosts during epidemics. MAYV is transmitted by Haemagogus species in an enzootic cycle using non-human primates as the main amplification and maintenance hosts, and humans becoming sporadically infected when venturing in or nearby forest habitats. Here, we focused on the transmission cycle and natural vectors that sustain circulation of these viruses in their respective locations. The knowledge of the natural ecology of transmission and the capacity of different vectors to transmit these viruses is crucial to understand CHIKV emergence, and to assess the risk that MAYV and ONNV will expand on wide scale using anthropophilic mosquito species not normally considered primary vectors. Finally, the experts identified knowledge gaps and provided adapted recommendations, in order to address future entomological investigations in the right direction.
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Affiliation(s)
- L Pezzi
- Unité des Virus Émergents (UVE: Aix-Marseille Univ-IRD 190-Inserm 1207-IHU Méditerranée Infection), Marseille, France; EA7310, Laboratoire de Virologie, Université de Corse-Inserm, Corte, France.
| | - M Diallo
- Unité d'Entomologie Médicale, Institut Pasteur de Dakar, Dakar, Senegal
| | - M G Rosa-Freitas
- Instituto Oswaldo Cruz-Fiocruz, Laboratório de Mosquitos Transmissores de Hematozoários, Rio de Janeiro, Brazil
| | - A Vega-Rua
- Laboratory of Vector Control Research, Environment and Health Unit, Institut Pasteur de la Guadeloupe, Guadeloupe
| | - L F P Ng
- Singapore Immunology Network, Agency for Science, Technology and Research (A*STAR), Singapore
| | - S Boyer
- Medical Entomology Platform, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | - J F Drexler
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Virology, 10117, Berlin, Germany; German Centre for Infection Research (DZIF), Germany
| | - N Vasilakis
- Department of Pathology, Institute of Human Infection and Immunity, University of Texas Medical Branch, Galveston, USA
| | - R Lourenco-de-Oliveira
- Instituto Oswaldo Cruz-Fiocruz, Laboratório de Mosquitos Transmissores de Hematozoários, Rio de Janeiro, Brazil
| | - S C Weaver
- Institute for Human Infections and Immunity and Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, USA
| | - A Kohl
- MRC-University of Glasgow Centre for Virus Research, Glasgow, UK
| | - X de Lamballerie
- Unité des Virus Émergents (UVE: Aix-Marseille Univ-IRD 190-Inserm 1207-IHU Méditerranée Infection), Marseille, France
| | - A-B Failloux
- Department of Virology, Institut Pasteur, Arboviruses and Insect Vectors Unit, Paris, France
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15
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Two distinct lineages of chikungunya virus cocirculated in Aruba during the 2014-2015 epidemic. INFECTION GENETICS AND EVOLUTION 2019; 78:104129. [PMID: 31786339 DOI: 10.1016/j.meegid.2019.104129] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 11/24/2019] [Accepted: 11/26/2019] [Indexed: 10/25/2022]
Abstract
Chikungunya virus (CHIKV), a positive-sense, single-stranded RNA virus in the family Togaviridae, is transmitted by Aedes mosquitoes. Of three known CHIKV genotypes, the Asian genotype was introduced into the Caribbean islands and rapidly spread throughout Central and South Americas. We previously found patients with symptoms compatible with chikungunya fever in 2014-2015 in Aruba, a Caribbean island of 180 km2. We here describe the full genome sequences of eight CHIKV strains isolated from patient sera of the Aruban outbreak. Phylogenetic analysis revealed that two closely related but distinct lineages of Asian-genotype CHIKV circulated simultaneously during the epidemic in 2014-2015. These results suggested that CHIKV was introduced into Aruba more than once in a short period, reflecting the importance of Aruba as a travel hub within the region.
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16
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Updated Phylogeny of Chikungunya Virus Suggests Lineage-Specific RNA Architecture. Viruses 2019; 11:v11090798. [PMID: 31470643 PMCID: PMC6784101 DOI: 10.3390/v11090798] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 08/19/2019] [Accepted: 08/26/2019] [Indexed: 12/14/2022] Open
Abstract
Chikungunya virus (CHIKV), a mosquito-borne alphavirus of the family Togaviridae, has recently emerged in the Americas from lineages from two continents: Asia and Africa. Historically, CHIKV circulated as at least four lineages worldwide with both enzootic and epidemic transmission cycles. To understand the recent patterns of emergence and the current status of the CHIKV spread, updated analyses of the viral genetic data and metadata are needed. Here, we performed phylogenetic and comparative genomics screens of CHIKV genomes, taking advantage of the public availability of many recently sequenced isolates. Based on these new data and analyses, we derive a revised phylogeny from nucleotide sequences in coding regions. Using this phylogeny, we uncover the presence of several distinct lineages in Africa that were previously considered a single one. In parallel, we performed thermodynamic modeling of CHIKV untranslated regions (UTRs), which revealed evolutionarily conserved structured and unstructured RNA elements in the 3'UTR. We provide evidence for duplication events in recently emerged American isolates of the Asian CHIKV lineage and propose the existence of a flexible 3'UTR architecture among different CHIKV lineages.
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17
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Machado LC, de Morais-Sobral MC, Campos TDL, Pereira MR, de Albuquerque MDFPM, Gilbert C, Franca RFO, Wallau GL. Genome sequencing reveals coinfection by multiple chikungunya virus genotypes in a recent outbreak in Brazil. PLoS Negl Trop Dis 2019; 13:e0007332. [PMID: 31095561 PMCID: PMC6541278 DOI: 10.1371/journal.pntd.0007332] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 05/29/2019] [Accepted: 03/25/2019] [Indexed: 11/19/2022] Open
Abstract
Chikungunya virus (CHIKV) is an RNA virus from the Togaviridae family transmitted by mosquitoes in both sylvatic and urban cycles. In humans, CHIKV infection leads to a febrile illness, denominated Chikungunya fever (CHIKF), commonly associated with more intense and debilitating outcomes. CHIKV arrived in Brazil in 2014 through two independent introductions: the Asian/Caribbean genotype entered through the North region and the African ECSA genotype was imported through the Northeast region. Following their initial introduction, both genotypes established their urban cycle among large naive human populations causing several outbreaks in the Americas. Here, we sequenced CHIKV genomes from a recent outbreak in the Northeast region of Brazil, employing an in-house developed Next-Generation Sequencing (NGS) protocol capable of directly detecting multiple known CHIKV genotypes from clinical positive samples. Our results demonstrate that both Asian/Caribbean and ECSA genotypes expanded their ranges, reaching cocirculation in the Northeast region of Brazil. In addition, our NGS data supports the findings of simultaneous infection by these two genotypes, suggesting that coinfection might be more common than previously thought in highly endemic areas. Future efforts to understand CHIKV epidemiology should thus take into consideration the possibility of coinfection by different genotypes in the human population.
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Affiliation(s)
- Lais Ceschini Machado
- Department of Entomology, Oswaldo Cruz Foundation - Fiocruz, Aggeu Magalhães Institute - Recife, Pernambuco - Brazil
| | | | - Tulio de Lima Campos
- Bioinformatics Core Facility, Aggeu Magalhães Institute (IAM), Oswaldo Cruz Foundation (FIOCRUZ), Recife Pernambuco, Brazil
| | - Mylena Ribeiro Pereira
- Department of Veterinary Medicine, Federal Rural University of Pernambuco – UFRPE, Recife, Brazil
| | | | - Clément Gilbert
- Laboratoire Evolution, Génomes, Comportement, Ecologie, CNRS Université Paris-Sud UMR 9191, IRD UMR 247, Avenue de la Terrasse, Gif sur Yvette, France
| | - Rafael Freitas Oliveira Franca
- Department of Virology and Experimental Therapy, Oswaldo Cruz Foundation - Fiocruz, Aggeu Magalhães Institute - Recife, Pernambuco - Brazil
| | - Gabriel Luz Wallau
- Department of Entomology, Oswaldo Cruz Foundation - Fiocruz, Aggeu Magalhães Institute - Recife, Pernambuco - Brazil
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18
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Filomatori CV, Bardossy ES, Merwaiss F, Suzuki Y, Henrion A, Saleh MC, Alvarez DE. RNA recombination at Chikungunya virus 3'UTR as an evolutionary mechanism that provides adaptability. PLoS Pathog 2019; 15:e1007706. [PMID: 30986247 PMCID: PMC6502353 DOI: 10.1371/journal.ppat.1007706] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 05/06/2019] [Accepted: 03/15/2019] [Indexed: 11/18/2022] Open
Abstract
The potential of RNA viruses to adapt to new environments relies on their ability to introduce changes in their genomes, which has resulted in the recent expansion of re-emergent viruses. Chikungunya virus is an important human pathogen transmitted by mosquitoes that, after 60 years of exclusive circulation in Asia and Africa, has rapidly spread in Europe and the Americas. Here, we examined the evolution of CHIKV in different hosts and uncovered host-specific requirements of the CHIKV 3'UTR. Sequence repeats are conserved at the CHIKV 3'UTR but vary in copy number among viral lineages. We found that these blocks of repeated sequences favor RNA recombination processes through copy-choice mechanism that acts concertedly with viral selection, determining the emergence of new viral variants. Functional analyses using a panel of mutant viruses indicated that opposite selective pressures in mosquito and mammalian cells impose a fitness cost during transmission that is alleviated by recombination guided by sequence repeats. Indeed, drastic changes in the frequency of viral variants with different numbers of repeats were detected during host switch. We propose that RNA recombination accelerates CHIKV adaptability, allowing the virus to overcome genetic bottlenecks within the mosquito host. These studies highlight the role of 3'UTR plasticity on CHIKV evolution, providing a new paradigm to explain the significance of sequence repetitions.
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Affiliation(s)
- Claudia V. Filomatori
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín, Buenos Aires, Argentina
| | - Eugenia S. Bardossy
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín, Buenos Aires, Argentina
| | - Fernando Merwaiss
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín, Buenos Aires, Argentina
| | - Yasutsugu Suzuki
- Institut Pasteur, Viruses and RNA Interference Unit, Centre National de la Recherche Scientifique UMR 3569, Paris, France
| | - Annabelle Henrion
- Institut Pasteur, Viruses and RNA Interference Unit, Centre National de la Recherche Scientifique UMR 3569, Paris, France
| | - María Carla Saleh
- Institut Pasteur, Viruses and RNA Interference Unit, Centre National de la Recherche Scientifique UMR 3569, Paris, France
| | - Diego E. Alvarez
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín, Buenos Aires, Argentina
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19
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Ball JD, Elbadry MA, Telisma T, White SK, Chavannes S, Anilis MG, Prosperi M, Cummings DAT, Lednicky JA, Morris JG, Beau de Rochars M. Clinical and Epidemiologic Patterns of Chikungunya Virus Infection and Coincident Arboviral Disease in a School Cohort in Haiti, 2014-2015. Clin Infect Dis 2019; 68:919-926. [PMID: 30184178 PMCID: PMC6399436 DOI: 10.1093/cid/ciy582] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 07/10/2018] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Beginning in December 2013, an epidemic of chikungunya virus (CHIKV) infection spread across the Caribbean and into virtually all countries in the Western hemisphere, with >2.4 million cases reported through the end of 2017. METHODS We monitored a cohort of school children in rural Haiti from May 2014, through February 2015, for occurrence of acute undifferentiated febrile illness, with clinical and laboratory data available for 252 illness episodes. RESULTS Our findings document passage of the major CHIKV epidemic between May and July 2014, with 82 laboratory-confirmed cases. Subsequent peaks of febrile illness were found to incorporate smaller outbreaks of dengue virus serotypes 1 and 4 and Zika virus, with identification of additional infections with Mayaro virus, enterovirus D68, and coronavirus NL63. CHIKV and dengue virus serotype 1 infections were more common in older children, with a complaint of arthralgia serving as a significant predictor for infection with CHIKV (odds ratio, 16.2; 95% confidence interval, 8.0-34.4; positive predictive value, 66%; negative predictive value, 80%). CONCLUSIONS Viral/arboviral infections were characterized by a pattern of recurrent outbreaks and case clusters, with the CHIKV epidemic representing just one of several arboviral agents moving through the population. Although clinical presentations of these agents are similar, arthralgias are highly suggestive of CHIKV infection.
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Affiliation(s)
- Jacob D Ball
- Emerging Pathogens Institute, College of Public Health and Health Professions and College of Medicine
- Department of Epidemiology, College of Public Health and Health Professions and College of Medicine
| | - Maha A Elbadry
- Emerging Pathogens Institute, College of Public Health and Health Professions and College of Medicine
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville
| | - Taina Telisma
- Christianville School Clinic, Christianville Foundation, Gressier, Haiti
| | - Sarah K White
- Emerging Pathogens Institute, College of Public Health and Health Professions and College of Medicine
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville
| | - Sonese Chavannes
- Christianville School Clinic, Christianville Foundation, Gressier, Haiti
| | - Marie Gina Anilis
- Christianville School Clinic, Christianville Foundation, Gressier, Haiti
| | - Mattia Prosperi
- Emerging Pathogens Institute, College of Public Health and Health Professions and College of Medicine
- Department of Epidemiology, College of Public Health and Health Professions and College of Medicine
| | - Derek A T Cummings
- Emerging Pathogens Institute, College of Public Health and Health Professions and College of Medicine
- Department of Biology, College of Liberal Arts and Sciences
| | - John A Lednicky
- Emerging Pathogens Institute, College of Public Health and Health Professions and College of Medicine
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville
| | - J Glenn Morris
- Emerging Pathogens Institute, College of Public Health and Health Professions and College of Medicine
- Department of Medicine, College of Medicine
| | - Madsen Beau de Rochars
- Emerging Pathogens Institute, College of Public Health and Health Professions and College of Medicine
- Department of Health Services Research, Management, and Policy, College of Public Health and Health Professions, University of Florida, Gainesville
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20
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Naveca FG, Claro I, Giovanetti M, de Jesus JG, Xavier J, Iani FCDM, do Nascimento VA, de Souza VC, Silveira PP, Lourenço J, Santillana M, Kraemer MUG, Quick J, Hill SC, Thézé J, Carvalho RDDO, Azevedo V, Salles FCDS, Nunes MRT, Lemos PDS, Candido DDS, Pereira GDC, Oliveira MAA, Meneses CAR, Maito RM, Cunha CRSB, Campos DPDS, Castilho MDC, Siqueira TCDS, Terra TM, de Albuquerque CFC, da Cruz LN, de Abreu AL, Martins DV, Simoes DSDMV, de Aguiar RS, Luz SLB, Loman N, Pybus OG, Sabino EC, Okumoto O, Alcantara LCJ, Faria NR. Genomic, epidemiological and digital surveillance of Chikungunya virus in the Brazilian Amazon. PLoS Negl Trop Dis 2019; 13:e0007065. [PMID: 30845267 PMCID: PMC6424459 DOI: 10.1371/journal.pntd.0007065] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 03/19/2019] [Accepted: 02/01/2019] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Since its first detection in the Caribbean in late 2013, chikungunya virus (CHIKV) has affected 51 countries in the Americas. The CHIKV epidemic in the Americas was caused by the CHIKV-Asian genotype. In August 2014, local transmission of the CHIKV-Asian genotype was detected in the Brazilian Amazon region. However, a distinct lineage, the CHIKV-East-Central-South-America (ECSA)-genotype, was detected nearly simultaneously in Feira de Santana, Bahia state, northeast Brazil. The genomic diversity and the dynamics of CHIKV in the Brazilian Amazon region remains poorly understood despite its importance to better understand the epidemiological spread and public health impact of CHIKV in the country. METHODOLOGY/PRINCIPAL FINDINGS We report a large CHIKV outbreak (5,928 notified cases between August 2014 and August 2018) in Boa vista municipality, capital city of Roraima's state, located in the Brazilian Amazon region. We generated 20 novel CHIKV-ECSA genomes from the Brazilian Amazon region using MinION portable genome sequencing. Phylogenetic analyses revealed that despite an early introduction of the Asian genotype in 2015 in Roraima, the large CHIKV outbreak in 2017 in Boa Vista was caused by an ECSA-lineage most likely introduced from northeastern Brazil. Epidemiological analyses suggest a basic reproductive number of R0 of 1.66, which translates in an estimated 39 (95% CI: 36 to 45) % of Roraima's population infected with CHIKV-ECSA. Finally, we find a strong association between Google search activity and the local laboratory-confirmed CHIKV cases in Roraima. CONCLUSIONS/SIGNIFICANCE This study highlights the potential of combining traditional surveillance with portable genome sequencing technologies and digital epidemiology to inform public health surveillance in the Amazon region. Our data reveal a large CHIKV-ECSA outbreak in Boa Vista, limited potential for future CHIKV outbreaks, and indicate a replacement of the Asian genotype by the ECSA genotype in the Amazon region.
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Affiliation(s)
- Felipe Gomes Naveca
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, FIOCRUZ, Manaus, Brazil
| | - Ingra Claro
- Instituto de Medicina Tropical e Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Marta Giovanetti
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
- Laboratório de Genética Celular e Molecular, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Jaqueline Goes de Jesus
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
- Laboratório de Patologia Experimental, Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Bahia, Brazil
| | - Joilson Xavier
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
- Laboratório de Patologia Experimental, Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Bahia, Brazil
| | - Felipe Campos de Melo Iani
- Laboratório de Genética Celular e Molecular, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
- Laboratório Central de Saúde Pública, Instituto Octávio Magalhães, FUNED, Belo Horizonte, Minas Gerais, Brazil
| | - Valdinete Alves do Nascimento
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, FIOCRUZ, Manaus, Brazil
| | - Victor Costa de Souza
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, FIOCRUZ, Manaus, Brazil
| | - Paola Paz Silveira
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - José Lourenço
- Department of Zoology, University of Oxford, South Parks Road, Oxford, United Kingdom
| | - Mauricio Santillana
- Harvard Medical School, Department of Pediatrics, Boston, MA, United States of America
- Computational Health Informatics Program, Boston Children’s Hospital, Boston, MA, United States of America
| | - Moritz U. G. Kraemer
- Department of Zoology, University of Oxford, South Parks Road, Oxford, United Kingdom
- Computational Epidemiology Lab, Boston Children’s Hospital, Boston, MA, United States of America
| | - Josh Quick
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom
| | - Sarah C. Hill
- Department of Zoology, University of Oxford, South Parks Road, Oxford, United Kingdom
| | - Julien Thézé
- Department of Zoology, University of Oxford, South Parks Road, Oxford, United Kingdom
| | - Rodrigo Dias de Oliveira Carvalho
- Laboratório de Genética Celular e Molecular, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Vasco Azevedo
- Laboratório de Genética Celular e Molecular, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | | | | | | | | - Glauco de Carvalho Pereira
- Laboratório de Genética Celular e Molecular, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Marluce Aparecida Assunção Oliveira
- Laboratório de Genética Celular e Molecular, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | | | | | | | | - Marcia da Costa Castilho
- Departamento de Virologia, Fundação de Medicina Tropical Doutor Heitor Vieira Dourado, Manaus, Amazonas, Brazil
| | | | - Tiza Matos Terra
- Laboratório Central de Saúde Pública do Amazonas, Manaus, Amazonas, Brazil
| | | | | | - André Luis de Abreu
- Secretaria de Vigilância em Saúde, Ministério da Saúde (SVS/MS), Brasília-DF, Brazil
| | | | | | - Renato Santana de Aguiar
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Sérgio Luiz Bessa Luz
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, FIOCRUZ, Manaus, Brazil
| | - Nicholas Loman
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom
| | - Oliver G. Pybus
- Department of Zoology, University of Oxford, South Parks Road, Oxford, United Kingdom
| | - Ester C. Sabino
- Instituto de Medicina Tropical e Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Osnei Okumoto
- Secretaria de Vigilância em Saúde, Ministério da Saúde (SVS/MS), Brasília-DF, Brazil
| | - Luiz Carlos Junior Alcantara
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
- Laboratório de Genética Celular e Molecular, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Nuno Rodrigues Faria
- Department of Zoology, University of Oxford, South Parks Road, Oxford, United Kingdom
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21
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Lednicky JA, White SK, Mavian CN, El Badry MA, Telisma T, Salemi M, OKech BA, Beau De Rochars VM, Morris JG. Emergence of Madariaga virus as a cause of acute febrile illness in children, Haiti, 2015-2016. PLoS Negl Trop Dis 2019; 13:e0006972. [PMID: 30629592 PMCID: PMC6328082 DOI: 10.1371/journal.pntd.0006972] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 11/03/2018] [Indexed: 12/24/2022] Open
Abstract
Madariaga virus (MADV), also known as South American eastern equine encephalitis virus, has been identified in animals and humans in South and Central America, but not previously in Hispaniola or the northern Caribbean. MADV was isolated from virus cultures of plasma from an 8-year-old child in a school cohort in the Gressier/Leogane region of Haiti, who was seen in April, 2015, with acute febrile illness (AFI). The virus was subsequently cultured from an additional seven AFI case patients from this same cohort in February, April, and May 2016. Symptoms most closely resembled those seen with confirmed dengue virus infection. Sequence data were available for four isolates: all were within the same clade, with phylogenetic and molecular clock data suggesting recent introduction of the virus into Haiti from Panama sometime in the period from October 2012-January 2015. Our data document the movement of MADV into Haiti, and raise questions about the potential for further spread in the Caribbean or North America. Madariaga virus (MADV) is the name given to what used to be called South American eastern equine encephalitis virus (EEEV), based on recent studies suggesting that MADV is distinct genetically from the EEEV circulating in North America. Until now, MADV has been found primarily in animals in South and Central America, with a limited number of human cases reported (most of whom had encephalitis). Our group has been responsible for a series of studies assessing the etiology of acute febrile illness (AFI) among children in a school cohort in Haiti. Unexpectedly, in April, 2015, we identified MADV on viral culture of plasma from a student with AFI in this cohort; an additional seven cases were identified on culture of samples from children with AFI in this same cohort in February, April, and May 2016. On sequence analysis, all strains were very similar genetically, and appear to have come from a strain introduced into Haiti from Panama sometime in the period from October 2012- January 2015. Symptoms of children were similar to those seen with dengue; none had encephalitis. Our data indicate that this virus, which has the potential for causing serious illness, has been recently introduced into Haiti, and raises the possibility that it might move into other parts of the Caribbean or North America.
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MESH Headings
- Animals
- Antibodies, Viral/blood
- Child
- Child, Preschool
- Communicable Diseases, Imported/epidemiology
- Communicable Diseases, Imported/transmission
- Communicable Diseases, Imported/virology
- Culex/virology
- Disease Outbreaks
- Encephalitis Virus, Eastern Equine/classification
- Encephalitis Virus, Eastern Equine/genetics
- Encephalitis Virus, Eastern Equine/isolation & purification
- Encephalomyelitis, Eastern Equine/epidemiology
- Encephalomyelitis, Eastern Equine/transmission
- Encephalomyelitis, Eastern Equine/virology
- Female
- Haiti/epidemiology
- Humans
- Male
- Phylogeny
- RNA, Viral/blood
- Schools
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Affiliation(s)
- John A. Lednicky
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States of America
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, FL, United States of America
| | - Sarah K. White
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States of America
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, FL, United States of America
| | - Carla N. Mavian
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States of America
- Department of Pathology, Immunology, and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL, United States of America
| | - Maha A. El Badry
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States of America
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, FL, United States of America
| | - Taina Telisma
- Christianville Foundation School Clinic, Gressier, Haiti
| | - Marco Salemi
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States of America
- Department of Pathology, Immunology, and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL, United States of America
| | - Bernard A. OKech
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States of America
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, FL, United States of America
| | - V. Madsen Beau De Rochars
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States of America
- Department of Health Services Research, Management, and Policy, College of Public Health and Health Professions, University of Florida, Gainesville, FL, United States of America
| | - J. Glenn Morris
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States of America
- Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, United States of America
- * E-mail:
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22
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Mavian C, Dulcey M, Munoz O, Salemi M, Vittor AY, Capua I. Islands as Hotspots for Emerging Mosquito-Borne Viruses: A One-Health Perspective. Viruses 2018; 11:E11. [PMID: 30585228 PMCID: PMC6356932 DOI: 10.3390/v11010011] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 12/18/2018] [Accepted: 12/18/2018] [Indexed: 02/08/2023] Open
Abstract
During the past ten years, an increasing number of arbovirus outbreaks have affected tropical islands worldwide. We examined the available literature in peer-reviewed journals, from the second half of the 20th century until 2018, with the aim of gathering an overall picture of the emergence of arboviruses in these islands. In addition, we included information on environmental and social drivers specific to island setting that can facilitate the emergence of outbreaks. Within the context of the One Health approach, our review highlights how the emergence of arboviruses in tropical islands is linked to the complex interplay between their unique ecological settings and to the recent changes in local and global sociodemographic patterns. We also advocate for greater coordination between stakeholders in developing novel prevention and mitigation approaches for an intractable problem.
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Affiliation(s)
- Carla Mavian
- Department of Pathology, Immunology and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL 32611, USA.
- Emerging Pathogens Institute University of Florida, Gainesville, FL 32611, USA.
| | - Melissa Dulcey
- Emerging Pathogens Institute University of Florida, Gainesville, FL 32611, USA.
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, FL 32611, USA.
| | - Olga Munoz
- Emerging Pathogens Institute University of Florida, Gainesville, FL 32611, USA.
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, FL 32611, USA.
- One Health Center of Excellence, University of Florida, Gainesville, FL 32611, USA.
| | - Marco Salemi
- Department of Pathology, Immunology and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL 32611, USA.
- Emerging Pathogens Institute University of Florida, Gainesville, FL 32611, USA.
| | - Amy Y Vittor
- Emerging Pathogens Institute University of Florida, Gainesville, FL 32611, USA.
- Division of Infectious Diseases and Global Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL 32611, USA.
| | - Ilaria Capua
- Emerging Pathogens Institute University of Florida, Gainesville, FL 32611, USA.
- One Health Center of Excellence, University of Florida, Gainesville, FL 32611, USA.
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